Comment 8 for bug 1254555

I reproduced it today:
1. centos 6.5
2. devstack to install trunk openstack codes

. openrc demo demo
$ neutron net-list
+--------------------------------------+------------+--------------------------------------------------+
| id | name | subnets |
+--------------------------------------+------------+--------------------------------------------------+
| 22774f33-2402-4ecf-8231-7c7dd6c41a87 | ys_network | 292ea106-b15e-4c14-aa9b-d9e582e611b1 10.0.2.0/24 |
+--------------------------------------+------------+--------------------------------------------------+

it show no external networks.